The surgeon and the worm.
D001196:Ascariasis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000209:etiology / Q000473:pathology / Q000601:surgery*; D001660:Biliary Tract Diseases / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D004064:Digestive System / Q000000981:diagnostic imaging / Q000473:pathology; D004386:Duodenum / Q000601:surgery; D006801:Humans; D008297:Male; D010879:Piperazines / Q000627:therapeutic use; D011183:Postoperative Complications; D011859:Radiography
D010879:Piperazines